<h1>Civil aviation minister defends AAIB probe into June 12 Air India crash, says investigation followed rules and was thorough</h1> The civil aviation minister stated there is no manipulation or improper conduct in the Aircraft Accident Investigation Bureau's probe into the June 12 Air India crash that killed 260 people, responding to concerns about the investigation's integrity. The minister characterized the inquiry as a clean, thorough process conducted according to rules and urged patience until the final AAIB report is released. He made the remarks at a public event in the national capital.